Instruction/ maintenance manual of the product LM740 AOC
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LM74 0 17” TFT LCD Monitor User ’s M anu al By Envision Peripheral s Inc . www .A OCmonitor.com.
i FOR YO UR SAFETY Before operating th e monitor, please read th is manual th orou ghly . This manual should be retain ed for future reference . FCC Class B Radio Frequ ency Interference St atement W .
ii PRECAUT IO NS: • Do not u se the mon itor near wat er, e.g. n ear a bath tub, w ashbowl , kitche n sink, laund ry tub, swimmi ng pool or in a w et baseme nt. • Do not place th e monitor on an un stabl e cart, sta nd, or t able. I f the mo nitor falls, it can in jure a perso n and cause ser ious da mag e to the appl ian ce.
iii c ir cui t pa rts ca us in g a fi re or el ect ric s hoc k. Ne ver s pi ll l iqu i ds on th e monitor . • D o not attem pt to serv ice the monitor by your self. Open ing or removing covers can expose y ou to dang e r ous volt ages and ot her haz ards.
iv GE NER AL NOT ES The foll ow i ng sy mpto ms are n ormal w ith LC D moni tor and d o no t i ndi cat e a pro ble m. • Due to the natur e of the fluor escent l ight, the scree n may fli cker during initia l use. T urn of f the Power Switch and the n turn it on agai n to make sure t he flicker dis app ears .
v OTHER NOTES • The scre en su r face is very so ft . Do not rub, tou ch o r ta p the scre en sur face with sh arp ob ject s uch as pe n or pencil . T his c ontact m ay s cratch or damage t he screen. These damages ar e not cover ed under the w arranty .
vi Disclaimer Envisio n Periphe rals I nc. mak es no repre sentati ons or war rantie s, eit her ex pressed or imp lied, w ith respect to t he content s hereof an d specifical ly dis claims any w arranties, mer chant ability or fitne ss for any par ticular pur pos e .
vii T abl e of C on t e nts 1 1 Import ant Safety Inst ructions ........... .......... ........... ........... i 2 2 Features ........ .............. .......... .............. .............. .......... ....... 2 3 3 Unp ack ing the Monitor ...........
1 1 1 Imp or tant S afe ty In stru ct ion s Please rea d the foll owing safety in str u cti ons bef ore inst a l ling or cl eaning y our AOC mo nitor: 1. Un pl ug t he mo n i to r ’s po we r c a bl e f ro m th e wa l l ou tle t be f o re c lea ning .
2 2 2 Features Y our AOC LM 7 4 0 M onit or f eat ur es: ♦ SXG A (1280 x 10 24 pi xel ) R esol uti on L CD P anel ♦ High B rightness – 27 0 cd/m 2 (typical) ♦ High Contr ast Ratio – 500:1 (ty p ical) ♦ Tr ue Colour Displa y With FRC support fo r 1 6.
3 3 3 Unpacking th e Monitor Pl eas e ch ec k th at t he f ollow i ng i tem s are inc lud ed w it h y our m onit or . I f t hey a re mis sing o r da maged , pl ease c ontac t your plac e of pur chase immediately .
4 4 4 Hardware Installation Your monitor is equipped wit h an automatic power sup ply with a voltage rang e from 100 to 2 4 0 Volts AC a t a frequency of 50 to 60 H z. Make sure that y ou r local power sup ply is within the supported ra nge. If you are unsure, pleas e co ntac t y our elec tr ici ty sup plie r.
5 5 5 Windows driver Installation The A OC LM 740 is f ul ly Wind ow s com pat ib le so no sp ecif ic wi ndo w s dr iv ers are requi red to b e load ed .
6 6 6 Setting the Display Resolution Choosing The Best Resolut ion All Liquid Cry stal Display s (L CDs) have a fix ed r esolution t hat is the s ame as t he max imum res olut ion t hat may be d is pla ye d on th e L CD . I n th e c ase of t he LM740 the LCD resolution i s 1280 x 1024 pixe ls.
7 Suppor ted Graphics M odes and Refresh Rate Selection There is no nee d to choose the h ighest possibl e refresh rat e when using a n LCD monitor . It is not technically possi ble for an LCD m onitor to fli cker . Even at a refresh rate of 60 Hz y ou will get an abs olutely flicker-free imag e.
8 ca us ed by th e sig n al f rom t he VGA ca rd if it does not co rre sp ond wi th t he us ua l st an d ar d. Thi s i s not how ev er , a p robl em w it h t h e m on it or .
9 7 7 Adju sting the Monitor Pi ctur e Op t im i sati o n The eas ie st w ay to obt ai n an opt imal pi ctur e is b y using t he Au t o but ton fo r 2 sec ond s.
10 (fro m le ft to right) Men u Ent er OS D me nu. Ent er subm enus or s ele ct i t ems wi thin OSD men u. ! Move the selection cursor u pwards within the OSD menu. " Move the selection cursor d ownwards within the OSD me nu. # Adj us t OSD f u ncti ons.
11 Tracking A djustment Position A djustment.
12 Colo r A dju stmen t Othe r.
13 8 8 Frequently Asked Q uestions The image is blur red, ho w can I get t h e b est qualit y pic tur e? ♦ Re ad ch apter 6, Se ttin g the D ispla y Resolu tio n , and select a gra phics sig nal w it h th e cor rec t r eso lut io n a nd ref res h rat e.
14 No image is di splay e d, w hat can I do? ♦ Che c k t hat the l ight (LED) ne xt to the monit or’s power butto n is lit and is green in colour. If the LED i s green, press t he MENU button on t he monitor t o a c c e s s t h e O n S c r e e n D i s p l a y .
15 T he di spl ay sh o w s O U T OF F R EQUENC Y e r ro r mess age: ♦ Re ad ch apter 6, Se ttin g the D ispla y Resolu tio n , and select a gra phics signal with the correct resol uti on and r efr es h rate.
16 9 9 Specifications Model: AOC LM74 0 Disp lay Ch aract erist ic s Display T y pe 17“ acti ve mat rix T hin Fi lm T ransisto r Liquid Cry stal Display V i e wa b l e Di ag on al A rea 43. 18 cm / 17” Nati ve (Ma xi mum) Re solu tio n 1,280 x 1, 024 pixel s Colors 16.
17 Input Signa l Line Frequency 31 - 83kHz multi-f requen cy I mage F r equ ency (Re fr esh R ate) 56 - 7 5Hz Wi thi n the para met e r s de t a iled in ch apt er 7 Video Signal RGB analogue (P ositive p olarity ) 0.
An important point after buying a device AOC LM740 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought AOC LM740 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data AOC LM740 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, AOC LM740 you will learn all the available features of the product, as well as information on its operation. The information that you get AOC LM740 will certainly help you make a decision on the purchase.
If you already are a holder of AOC LM740, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime AOC LM740.
However, one of the most important roles played by the user manual is to help in solving problems with AOC LM740. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device AOC LM740 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
